Paksi, Eka, and Hikmatulloh Hikmatulloh. “Pengembangan Sistem Rencana Anggaran Biaya Pada CV. Widjaya Sido Dadi”. INTERNAL (Information System Journal) 8, no. 2 (December 31, 2025): 180–187. Accessed September 12, 2026. https://jurnal.masoemuniversity.ac.id/index.php/internal/article/view/1537.